package com.guet.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @author MicahYin
 * @date 2020/8/10 15:52
 */
//自定义配置类
@Configuration
public class ShiroConfig {

    //3   ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        //添加shiro的内置过滤器
        /*
            anon:无需认证就可以访问
            authc: 必须认证了才能访问
            user: 必须拥有 记住我 功能才能访问
            perms: 拥有对某个资源的权限才能访问
            role: 拥有某个角色权限才能访问
         */
        Map<String, String> filterMap=new LinkedHashMap<>();

        filterMap.put("/user/add","authc");
        filterMap.put("/user/update","authc");
        /*
        *   此语句如果放在前面，则拦截器会失效，应该将其放在最后面即可
        * */
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");
        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录页面
        bean.setLoginUrl("/toLogin");
        //设置未授权页面
        bean.setUnauthorizedUrl("/noauth");
        return bean;
    }

    //2.   DefaultWebSecurityManager
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager=new DefaultWebSecurityManager();
        securityManager.setRealm(userRealm);
        return securityManager;
    }
    //1.  创建realm对象，需要自定义类，让spring接管bean
    @Bean(name = "userRealm")//这里可以自己指定名称，spring的默认名称也是这个
    public UserRealm userRealm(){
        return new UserRealm();
    }
    //整合shiroDialect：用来整合shiro thymeleaf
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }
}
